Buenos Aires

$375+ Cheap flights from San Francisco (SFO) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUE
Apr 21 — Apr 281
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Cheap flight deals from San Francisco to Buenos Aires

Cheapest flights from San Francisco to Buenos Aires
Explore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:55 pm
SFO
-
EZE
3 stops22h 50m
Multiple Airlines
Mon 5/257:30 am
EZE
-
SFO
3 stops33h 20m
Multiple Airlines
Deal found 3/20$966
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:55 pm
SFO
-
AEP
3 stops35h 35m
Multiple Airlines
Wed 5/137:00 am
AEP
-
SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/22$970
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:55 pm
SFO
-
AEP
3 stops31h 25m
Multiple Airlines
Sat 5/97:00 am
AEP
-
SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/17$971
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:55 pm
SFO
-
AEP
3 stops24h 25m
Multiple Airlines
Sun 5/245:45 am
AEP
-
SFO
3 stops35h 05m
Multiple Airlines
Deal found 3/20$972
This Mytrip deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:15 pm
SFO
-
EZE
3 stops32h 30m
Multiple Airlines
Mon 5/112:30 am
EZE
-
SFO
2 stops24h 05m
Multiple Airlines
Deal found 3/21$973
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
SFO
-
AEP
3 stops31h 25m
Multiple Airlines
Thu 5/145:45 am
AEP
-
SFO
3 stops35h 05m
Multiple Airlines
Deal found 3/20$975
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:15 pm
SFO
-
EZE
3 stops30h 45m
Multiple Airlines
Wed 5/134:50 pm
EZE
-
SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/22$976
This Mytrip deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:15 pm
SFO
-
AEP
2 stops21h 45m
Multiple Airlines
Tue 5/127:00 am
AEP
-
SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/21$977
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:55 pm
SFO
-
AEP
3 stops24h 25m
Multiple Airlines
Sun 5/317:00 am
AEP
-
SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/22$979
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:55 pm
SFO
-
EZE
3 stops22h 50m
Multiple Airlines
Tue 5/194:50 pm
EZE
-
SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/18$985
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:55 pm
SFO
-
AEP
3 stops24h 25m
Multiple Airlines
Tue 5/197:00 am
AEP
-
SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/18$985
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:55 pm
SFO
-
AEP
3 stops24h 25m
Multiple Airlines
Tue 5/267:00 am
AEP
-
SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/19$986

Find flight deals from San Francisco to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$966
(Mytrip)

One-way from

$375
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,079
Provider with most accurate pricing for San Francisco-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Buenos Aires (BUE) flights.
From San Francisco to Buenos Aires (BUE)
One-way flight from San Francisco to Buenos Aires (BUE)
Highest demand for flights based on searches. 5% potential increase in price ($63 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 5/25

11:55 pm-4:20 am

3 stops24h 25m

Buenos Aires Jorge Newbery

Sun 5/31

7:00 am-10:35 pm

2 stops19h 35m

$979

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 5/30

2:30 am-8:30 am

3 stops26h 00m

Buenos Aires Jorge Newbery

Sat 6/6

7:00 am-10:35 pm

2 stops19h 35m

$987

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Tue 4/21

11:55 pm-4:20 am

3 stops24h 25m

Buenos Aires Jorge Newbery

Wed 5/6

7:00 am-10:35 pm

2 stops19h 35m

$1,059

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 4/21

2:15 pm-3:40 pm

2 stops21h 25m

Buenos Aires Ministro Pistarini

Tue 4/28

4:50 pm-10:35 pm

2 stops33h 45m

$1,064

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 6/1

7:45 am-4:00 pm

3 stops28h 15m

Buenos Aires Jorge Newbery

Sat 6/13

10:30 pm-10:35 pm

3 stops28h 05m

$1,079

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 5/16

2:30 am-5:40 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Thu 5/28

7:00 am-11:55 pm

2 stops20h 55m

$1,110

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 4/20

2:15 pm-5:40 am

2 stops35h 25m

Buenos Aires Jorge Newbery

Mon 4/27

7:00 am-12:50 pm

2 stops33h 50m

$1,110

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Tue 4/21

11:55 pm-5:40 am

2 stops25h 45m

Buenos Aires Jorge Newbery

Wed 5/6

7:00 am-10:35 pm

2 stops19h 35m

$1,110

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 5/18

6:20 pm-4:00 pm

2 stops17h 40m

Buenos Aires Jorge Newbery

Tue 6/2

3:45 pm-10:53 am

2 stops23h 08m

$1,144

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 5/18

6:20 pm-4:00 pm

2 stops17h 40m

Buenos Aires Jorge Newbery

Mon 6/1

3:45 pm-10:10 am

2 stops22h 25m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 44 resultsSorted by cheapest first
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Compare providers for flights from San Francisco to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Buenos Aires in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Buenos Aires

How far ahead should I book a flight from San Francisco to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buenos Aires. Price data was last updated on March 13, 2026.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $556). Flying from San Francisco to Buenos Aires in July is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from San Francisco to Buenos Aires?

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated March 22, 2026.
Get a feel of what it's like to fly with Delta,Copa Airlines, andLATAM Airlines from San Francisco to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Buenos Aires?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Buenos Aires from San Francisco. Booking flights from San Francisco (SFO) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 7 different airlines.

  • How long is the flight from San Francisco to Buenos Aires?

    Avianca and United Airlines can get you from San Francisco to Buenos Aires in just under 15h 45m. Your travel time can differ by up to 5h 40m. There are 6459 mi between San Francisco and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Francisco to Buenos Aires round-trip?

    Flying on Avianca is currently your cheapest option to Buenos Aires, with prices starting at $654. Additional round-trip tickets that might be worth considering are offered by Delta and LATAM Airlines, with the lowest prices starting at $875 and $893, respectively. Avianca is 44% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from San Francisco to Buenos Aires are Avianca ($308), Copa Airlines ($389), and American Airlines ($498).

  • What are the most popular routes from San Francisco to Buenos Aires?

  • Where are the most common layover locations when flying from San Francisco to Buenos Aires?

  • What are some popular things to do or see while on a layover in Houston?

    Houston travelers tend to visit Space Center Houston, House of Blues Houston, and Revention Music Center more than anywhere else. Space Center Houston, House of Blues Houston, and Revention Music Center are located about 33.5 mi, 16.1 mi, and 15.5 mi, respectively from Houston George Bush Intcntl. Travelers can book a car rental at Houston George Bush Intcntl for about $40 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Francisco to Buenos Aires flights?

  • Can I find deals for flights from San Francisco to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on San Francisco to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Buenos Aires.

  • Can I find deals for business class flights from San Francisco to Buenos Aires?

    Yes. Cheapflights offers flight deals from San Francisco to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $556). Flying from San Francisco to Buenos Aires in July is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from San Francisco to Buenos Aires

Discover the top 7 airlines that operate flights from San Francisco to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$654Average$889FlexibilityNo cancel feeOn-time71%
DeltaCheapest$875Average$1,246FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$893Average$1,173FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$907Average$1,129FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$969Average$1,263FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,039Average$1,299FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$1,119Average$1,281FlexibilityNo cancel feeOn-timeN/A

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